csamsclient/app/src/main/java/com/gyf/csams/association/model/AssociationViewModel.kt

package com.gyf.csams.association.model

import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.gyf.csams.uikit.AssociationMenu
import com.gyf.csams.uikit.ScrollList
import com.gyf.csams.uikit.StringForm
import com.orhanobut.logger.Logger
import kotlinx.coroutines.launch

class AssociationViewModel:ViewModel() {
    private val _currentMenu=MutableLiveData<AssociationMenu>()
    val currentMenu:LiveData<AssociationMenu> = _currentMenu

    fun clickMenu(menu:AssociationMenu){
        _currentMenu.value=menu
    }
}

data class MemberVo(val name:String)

/**
 * 社团会员
 *
 */
class MemberViewModel:ScrollList<MemberVo>(){
    val name=StringForm(formDesc = "姓名关键字",5)

    val search="搜索"

    private val _memberList=MutableLiveData<MutableList<MemberVo>>(mutableListOf())

    val memberList=_memberList

    override val initSize: Int = 10

    init {
        load()
    }

    /**
     * 初始化成员
     *
     */
    override fun load() {
        viewModelScope.launch {
            _memberList.value?.apply {
                repeat(initSize) {
                    add(MemberVo(name = "成员${size+1}"))
                }
                Logger.i("初始化社团成员size=$size")
            }

        }
    }


    /**
     * 加载更多成员
     *
     */
    override fun loadMore(callback: (message: String) -> Unit) {
        viewModelScope.launch {
            _memberList.value?.let {
                val t= mutableListOf<MemberVo>()
                t.addAll(it)
                t.apply {
                    repeat(10){
                        add(MemberVo(name = "成员${t.size+1}"))
                    }
                }
                _memberList.postValue(t)
                Logger.i("加载更多社团成员，size=${t.size}")
            }
        }
    }

    /**
     * TODO 社团成员搜索
     *
     * @param callback
     */
    fun search(callback: (value: String) -> Unit){
        Logger.i("搜索条件[成员姓名：${name.formValue.value}]")
        callback("功能尚未实现，敬请期待")
    }
}

data class HistoryActVo(val name: String)

/**
 * 历史活动
 *
 */
class HistoryActViewModel: ScrollList<HistoryActVo>() {
    override val initSize = 10

    init {
        load()
    }

    override fun load() {
        _data.value?.apply {
            repeat(initSize){
                add(HistoryActVo(name = "活动${size+1}"))
            }
            Logger.i("初始化活动数量：${size}")
        }
    }

    override fun loadMore(callback:(message:String) -> Unit) {
       _data.value?.apply {
           val t= mutableListOf<HistoryActVo>()
           t.addAll(this)
           t.apply {
               repeat(10){
                   add(HistoryActVo(name = "活动${t.size+1}"))
               }
           }
           _data.postValue(t)
           callback("成功加载更多活动")
       }
    }
}